pluperfect

Of or being a verb tense used to express action completed before a specified or implied past time.

More than perfect; supremely accomplished; ideal: “He has won a reputation as [a] pluperfect bureaucrat”(New York Times).

noun

The pluperfect tense, formed in English with the past participle of a verb and the auxiliary had, as had learned in the sentence He had learned to type by the end of the semester. Also called past perfect.